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need some advice for my HA 84

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84turbo6

Member
Joined
Oct 16, 2013
Messages
167
iv been doing some research, reading alot trying to figure out the right recipe for my 84 gn, i know theres not alot for the hot air cars i want a street car able to beat the new mustang 5.0 420hp that passes me everyday. so far im looking at new pistons not shure what kind or where to buy, magnaflow dual catback, air intake having a hard time finding one that would fit, bigger fuel injectors not shure how big, ta33c turbo. the car is all stock engine is in pretty good condition had some trouble with cam and timing, i replaced the fuel pump, new cam (just stock), new 84 ecu, thiers a kenne bell performance chip in, im doing this all by myself im 19 so please forgive me if im sounding like a ricer kid, need advice, tips, anything im not a mechanic but everthing that has been done to the car iv done myself so things will go wrong,
 
Read the stickies in this section.

You need a scan master to read vital information.

Boost gauge because the factory digital one is inaccurate

86/87 ECM has a larger selection of chips and also allows you to see all the information with a scan master.

Fuel pump hot wire kit due to voltage drop from small gauge factory wiring.

Valve springs due to them being weak from the factory let alone are now almost 30years old.

Timing chain set due to them being old as well.

Turbo tweak chip matching your setup due to older chips having too much timing and gasoline is different now adays.

You might need a maf translator/lt1 maf setup I believe because once you switch to 86/87 ECM the mafs are a little different than the 84/85 so it doesn't read properly and runs rich- but not 100% sure on this.

Once all his is done, you can then try to make the car faster.
 
iv been doing some research, reading alot trying to figure out the right recipe for my 84 gn, i know theres not alot for the hot air cars i want a street car able to beat the new mustang 5.0 420hp that passes me everyday. so far im looking at new pistons not shure what kind or where to buy, magnaflow dual catback, air intake having a hard time finding one that would fit, bigger fuel injectors not shure how big, ta33c turbo. the car is all stock engine is in pretty good condition had some trouble with cam and timing, i replaced the fuel pump, new cam (just stock), new 84 ecu, thiers a kenne bell performance chip in, im doing this all by myself im 19 so please forgive me if im sounding like a ricer kid, need advice, tips, anything im not a mechanic but everthing that has been done to the car iv done myself so things will go wrong,

Ok, glad you are asking questions. What do you want to beat the Mustang in? ¼, 1/8, 60’, high speed, fuel economy :clown: . . . . All the time or just once? What fuel? NOS?

I am typically an optimist in my responses to prevent discouragement, but have changed my ways and will keep it real :cigar: and going to provide the summarized version. :meh:

The stickies and a search with about 3-5 months of reading will give you plenty of ideas. Not trying to be judgmental, but . . . forget about it. YES, it can be done, but it requires a lot of patience, determination, READING/knowledge, and $$$. It will require about $6K in parts and it appears your goal may not be in line with these requirements.
Before you ask about going IC’d . . . . Since you are “not a mechanic”, the cost will be similar with an accelerated aging process. Do a search “how to”, or start “another thread” on that specific subject.

Lastly; HA's get enough bad press, and this community does not need another discouraged HA owner . . . . . so understand that there is a price and a cost associated with +400WHP, regardless of HA, IC, or a new Mustang. Good luck.:)
 
if you want to beat that new Mustang tomorrow, then buy a new Camaro and race him with that.

you're 19, so i'll assume that you are a "typical" 19 year old like i see around here and just say that the 200 pounds of stereo equipment that is probably in your trunk isn't doing anything to make the car faster...
 
Read the stickies in this section.

You need a scan master to read vital information.

Boost gauge because the factory digital one is inaccurate

86/87 ECM has a larger selection of chips and also allows you to see all the information with a scan master.

Fuel pump hot wire kit due to voltage drop from small gauge factory wiring.

Valve springs due to them being weak from the factory let alone are now almost 30years old.

Timing chain set due to them being old as well.

Turbo tweak chip matching your setup due to older chips having too much timing and gasoline is different now adays.

You might need a maf translator/lt1 maf setup I believe because once you switch to 86/87 ECM the mafs are a little different than the 84/85 so it doesn't read properly and runs rich- but not 100% sure on this.

Once all his is done, you can then try to make the car faster.
sweet these are essential steps for my car? i should have got an 87 ecu instead of buying a 84 one can i buy this at a local autoparts store or will i have to find a used one and what wires do i have to add? iv been using turbovortex.com great website
 
if you want to beat that new Mustang tomorrow, then buy a new Camaro and race him with that.

you're 19, so i'll assume that you are a "typical" 19 year old like i see around here and just say that the 200 pounds of stereo equipment that is probably in your trunk isn't doing anything to make the car faster...
wrong i could careless about sound how the car looks rediculous rims ect.. i love my buick i want it to live up to todays standards all my friends have mustangs, camaros, and bmws and i bought a grand national and doing most of the work myself iv changed the fuel pump, ecu, camshaft by myself
 
wrong i could careless about sound how the car looks rediculous rims ect.. i love my buick i want it to live up to todays standards all my friends have mustangs, camaros, and bmws and i bought a grand national and doing most of the work myself iv changed the fuel pump, ecu, camshaft by myself
and not tomarow i know this is gona take time and money but i wana do it, i love the fact that i get the thumbs up and my friends just get s**t talked to
 
Ok, glad you are asking questions. What do you want to beat the Mustang in? ¼, 1/8, 60’, high speed, fuel economy :clown: . . . . All the time or just once? What fuel? NOS?

I am typically an optimist in my responses to prevent discouragement, but have changed my ways and will keep it real :cigar: and going to provide the summarized version. :meh:

The stickies and a search with about 3-5 months of reading will give you plenty of ideas. Not trying to be judgmental, but . . . forget about it. YES, it can be done, but it requires a lot of patience, determination, READING/knowledge, and $$$. It will require about $6K in parts and it appears your goal may not be in line with these requirements.
Before you ask about going IC’d . . . . Since you are “not a mechanic”, the cost will be similar with an accelerated aging process. Do a search “how to”, or start “another thread” on that specific subject.

Lastly; HA's get enough bad press, and this community does not need another discouraged HA owner . . . . . so understand that there is a price and a cost associated with +400WHP, regardless of HA, IC, or a new Mustang. Good luck.:)
1/4 mile i know his car tops at 155 i got the gn up to 128 but horsepower wont count for nada if i got torque my friend has a 5.0 and a v6 mustang which i get very close to beating the v6 and i beat a base stock camaro which idont know how haha
 
Ok, glad you are asking questions. What do you want to beat the Mustang in? ¼, 1/8, 60’, high speed, fuel economy :clown: . . . . All the time or just once? What fuel? NOS?

I am typically an optimist in my responses to prevent discouragement, but have changed my ways and will keep it real :cigar: and going to provide the summarized version. :meh:

The stickies and a search with about 3-5 months of reading will give you plenty of ideas. Not trying to be judgmental, but . . . forget about it. YES, it can be done, but it requires a lot of patience, determination, READING/knowledge, and $$$. It will require about $6K in parts and it appears your goal may not be in line with these requirements.
Before you ask about going IC’d . . . . Since you are “not a mechanic”, the cost will be similar with an accelerated aging process. Do a search “how to”, or start “another thread” on that specific subject.

Lastly; HA's get enough bad press, and this community does not need another discouraged HA owner . . . . . so understand that there is a price and a cost associated with +400WHP, regardless of HA, IC, or a new Mustang. Good luck.:)
i use turbovortex.com for all that iv done so far great website and no nos all engine, iv got patients but working on the money
 
You can probably find a working 86/87 ECM used here on the forums.

If you want to beat that mustang you'll have to get him out of the whole, so drag radials will be needed. You'll need injectors/chip to match your setup, alky unless you go e85, turbo, torque converter, dp, exhaust dump, ported intake, maybe even heads. Your tranny might not like all this. I would hope this would beat a new 5.0 at least on the street 0-60. Although better to do this at the track for safety.

My car is stock so I don't have any first hand experience doing this but I plan to go 80# injectors/chip combo for e-85, bigger turbo, torque converter, DP.
 
I forgot to add, replace your vacuum lines. Make sure they're connected correctly, you should have a vacuum line diagram on the radiator support.
 
Get a good tranny cooler, and when the tranny fails then build it.

Also if you have a stock radiator you can switch to an aluminum fbody radiator, it will make a huge difference and make the car run so much cooler. It slides right into place with no modifications.
 
alright man thanks i got another question when i get the 86-87 ecu tt chip, do i use a 87 maf? or keep mine? im going to get the big mouth cold air intake kit from gntype
 
Please understand that the HA guys may be a little harsh with you but we have seen newbys come in wanting a stock car to do 10's right away. A HA car will cost more to make fast and we do have a few that will run low 11's high 10's all day. These are not the normal way things go though. Before you do anything I'd seriously suggest that you do a lot of reading and ask as many questions as you can. If you think it's a dumb question, it may be, but do a search and ask if you don't find an answer. We've all been there at one time and some of us may be jaded with newbys but we will help.

I'd also suggest you go to your region/state section further down the main page and say hi as well as tell us where you are. Believe it or not, guys will come over and help if you need it and in some cases all you'll need to do is say thanks. We've got a great group of people on the board that're willing to help so take your time and enjoy what you're doing.
 
I have a Question about the fbody radiator? Do I need the 85 86 gn radiator hold down plate? Or not?

Posted from the TurboBuick.Com mobile app
 
I have a Question about the fbody radiator? Do I need the 85 86 gn radiator hold down plate? Or not?

Posted from the TurboBuick.Com mobile app

I used my factory radiator hold down plate/support.
 
And the radiator bolted right on? If so im going to order the radiator today

Posted from the TurboBuick.Com mobile app
 
And would i need to get or do anything else to it or just bolt right on and go?

Posted from the TurboBuick.Com mobile app
 
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